CS1 Python Subgoals

def foo(alpha, beta, gamma):
    delta = alpha * beta - gamma
    return delta * 2
alpha = 9
kappa = foo(7, alpha, 1)
gamma = kappa + 1

def subtract(a, b, c=1):
    return a*c - b
# P1
print(subtract(a=7, b=9))
# P2
print(subtract(b=7, a=9))
# P3
print(subtract(7, b=5))
# P4
print(subtract(10, 5, 2))
# P5
print(subtract(c=2, b=5, a=10))
# P6
print(subtract(100, 50, c=.1))

def add5(number):
    number = number + 5
    return number
def double(num):
    result = num * 2
    num = num + 1 # Have this useless thing in there at least once
    return result
answer = 10
# One with assignments
answer = add5(answer)
answer = double(answer)
print(answer)
# One without assignments
add5(answer)
double(answer)
print(answer)
# Nested
print(add5(double(answer)))

        # Example
def third(value):
    result = round(value/3)
    return result
def chop_third(text):
    result = text
    length = third(len(result))
    result = text[:length]
    return result
print(chop_third("something"))
# P1
def is_month(value):
    result = value > 0
    result = result and value <= 12
    return result
def is_day(value):
    result = value > 0 and value <= 31
    return result
def is_date(day, month):
    result = is_day(day) and is_month(month)
    return result
print(is_date(1, 30))
print(is_date(30, 1))
# P2
def a(x, y=1):
    z = 3
    x = x * 2
    return x + y + z
def b(x, z):
    y = 3
    z = z + z
    return x + y + z
def c(x, y, z):
    x = a(x, y)
    y = z(z, y)
    z = a(x) - y
    return x + y + z
print(c(1, 2, 3))